Adds example for easily obtaining value

[JJ]

Without having to look at the rspec.

[codecov]

Codecov Report

Merging #121 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #121   +/-   ##
=======================================
  Coverage   98.35%   98.35%           
=======================================
  Files          24       24           
  Lines        1521     1521           
=======================================
  Hits         1496     1496           
  Misses         25       25

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 5b4373d...29faf2d. Read the comment docs.

[davissp14]

thanks!